public double degRad(double degrees)
			{
				return degrees / 180.0 * Math.PI;
			}

			public double flipDeg(double degrees)
			{
				return 360.0 - degrees;
			}

			public double getAngle(double aX, double aY, double bX, double bY)
			{
				if (aX == bX)
				{
					if (aY < bY)
						return 90;
					else
						return 270;
				}
				else if (aY == bY)
				{
					if (aX < bX)
						return 0;
					else
						return 180;
				}
				double output = (double)(Math.Atan((bY - aY) / (double)(bX - aX)) / Math.PI * 180.0);
				if (aX >= bX)
					output += 180;
				if (output > 360)
					output -= 360;
				return output;
			}